10-10 (32) 2UEA001270 Rev. F ACS2000 User manual
Chapter 10 - Troubleshooting and maintenance
10.4 Maintenance
10.4.1 Overview of maintenance and service tasks
• Visual checks on the drive
See section 10.4.4.
• Checking wire and cable connections
See section 10.4.6.
• Checking and replacing filter mats
See section 10.4.7.
• Replacing a phase module
See section 10.4.8.
See Service and maintenance manual for information on maintenance
and service work other than described in this manual.
10.4.2 Safety
Hazardous voltages!
Follow proper lock out and tag out safety procedures. Failure to do so may
result in death or serious injury.
Before starting with maintenance, make sure that:
• Personal protective equipment is provided and used when required.
• Everyone involved is informed.
• The main power supply is switched off, locked out and tagged out.
• Rack out the MV switchgear, lock it in open position, and tag it.
• Safety ground connections are in place.
• The auxiliary power supply is switched off, locked out and tagged out.
• The voltage is 0 V at the supply terminals when checked using a
multimeter.
• The MV switchgear control power supply is switched off and locked
out.
• If an optional 120 V control power or space heater is installed, these
supplies are switched off and locked out.
Before energizing the drive again, make sure that:
• All foreign objects are removed from the drive.
• All internal and external covers are securely fastened and all doors
are closed, locked and / or bolted.
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